(dp1
(I3
I4
tp2
(dp3
S'requests'
p4
(dp5
(I1
I6
tp6
(dp7
S'primary_path'
p8
(lp9
I1
aI2
aI3
aI4
aI6
asS'detour_path'
p10
(lp11
I2
aI5
aI4
asS'redirect_node'
p12
I2
sS'fw_back_path'
p13
(lp14
I2
aI3
asS'detect_node'
p15
I3
ssss.